National Security Agency
Are You Game? A Lesson Connecting Fractions and Probability
Exactly how fair are the board games children grow up playing? Young mathematicians investigate this questions as they work their way through this five-lesson series on basic probability.
Curated OER
What in the World..?!?
Students photograph mystery images. In this observation skills lesson, students gather everyday objects and place them under a digital microscope. They magnify the image and take a photograph of it. The image is then displayed on the...